arm64: add cpu_idle tracepoints to arch_cpu_idle
Currently, if cpuidle is disabled or not supported, powertop reports zero wakeups and zero events. This is due to the cpu_idle tracepoints are missing. This patch is to make cpu_idle tracepoints always available even if cpuidle is disabled or not supported. Signed-off-by: NJisheng Zhang <jszhang@marvell.com> Acked-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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